Xiaomi Redmi Note 13 5G vs Samsung Galaxy S21

Compared 2 smartphones : Xiaomi Redmi Note 13 5G Manufactured in January, 2024, with display 6.67 with chipsetMediaTek Dimensity 6080, vs Samsung Galaxy S21, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 13 5G
  • Larger display: 6.67in
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S21
  • Higher pixel density: 421ppi
  • Lighter design: 169g vs 173.5g
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Redmi Note 13 5G and Samsung Galaxy S21
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.67 in 6.2 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 395 ppi 421 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (48-120 Hz)
Max brightness 1000 nits 800 nits
HDR support No Yes HDR10+
Screen-to-body ratio 88.9 % 85.9 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi Note 13 5G
987 nits
Samsung Galaxy S21
854 nits
sRGB gamut99.9 %99.5 %
PWM (Flicker)120 Hz240 Hz
Response time1 ms5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 161.1 mm (6.34 in) 151.7 mm (5.97 in)
Width 75 mm (2.95 in) 71.2 mm (2.8 in)
Thickness 7.6 mm (0.3 in) 7.9 mm (0.31 in)
Weight 173.5 g (6.12 oz) 169 g (5.96 oz)
Water resistance IP54 IP68
Back panel Plastic Plastic
Frame Plastic Metal
Colors - White
- Black
- Blue
- White
- Gray
- Pink
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Redmi Note 13 5G
88.9 %
Samsung Galaxy S21
85.9 %

Performance

Testing Xiaomi Redmi Note 13 5G and Samsung Galaxy S21 In benchmarks
Processor
Chipset MediaTek Dimensity 6080 Samsung Exynos 2100
Max Frequency 2400 MHz 2900 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.4 (Cortex-A76)
- 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process TSMC Samsung
Transistor Size 6 nm 5 nm
Neural Processor Yes Yes
Graphics Mali-G57 MP2 Mali-G78 MP14
GPU Cores 128 896
GPU Frequency 1068 MHz 854 MHz
FLOPS 136.7 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 13 5G
779
Samsung Galaxy S21
1331
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 13 5G
2091
Samsung Galaxy S21
3593
Geekbench 6 (Single-Core)7791331
Geekbench 6 (Multi-Core)20913593
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 13 5G
449329
Samsung Galaxy S21
903780
CPU145050253391
GPU69674281676
Memory113207158352
UX121398210361
NanoReview Score449329903780
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 13 5G
1331
Samsung Galaxy S21
5715
Max Surface Temp.n/a38.9 °C
Stabilityn/a66 %
Graphics Testn/a34 fps
Graphics Scoren/a5715
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 13 5G
10396
Samsung Galaxy S21
13123
Writing score1317916101
Web score1020411909
Video editing52867097
Data manipulation843210153
NanoReview Score1039613123

Memory

RAM
RAM Size - 6 GB
- 8 GB
- 12 GB
8 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 2750 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardMicroSDNo

Software

OS Android 13 (Upgradeable to Android 14) Android 11 (Upgradeable to Android 14)
OS Size 28 GB 28.1 GB
UI Skin HyperOS 1.0 One UI 6.0

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 33 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (50% in 30 min) Yes (55% in 50 min)
Full Charge Time 1:16 h 1:35 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 13 5G
19:28
Samsung Galaxy S21
17:54
Web Browsing07:38 h06:01 h
Video Playback09:56 h11:06 h
Games04:37 h04:21 h
Standby Mode105 h95 h

Main camera

Matrix 108 MP 12 MP
Photo resolution 4000x3000 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 108 MP
Ultra-wide: 8 MP
Depth: 2 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix108 MP12 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSamsung S5KHM6Sony IMX555
Sensor size1/1.671/1.76
Pixel size0.64 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a28 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length16 mm13 mm
SensorOmniVision OV08D10Sony IMX563
Sensor size1/4.41/2.55
Pixel size1 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Redmi Note 13 5G
n/a
Samsung Galaxy S21
129
Video quality
Xiaomi Redmi Note 13 5G
n/a
Samsung Galaxy S21
137
Overall camera score
Xiaomi Redmi Note 13 5G
n/a
Samsung Galaxy S21
133
Bokehn/a70
Previewn/a72
Zoomn/a126

Front camera

Matrix 16 MP 10 MP
Photo resolution 4608x3456 pixels 3872x2592 pixels
Aperture f/2.6 f/2.2
Focal length 24 mm 26 mm
Sensor Omnivision OV16A1Q Sony IMX374
Sensor size 1/3.06 1/3.24
Pixel size 1 μm 1.22 μm
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotYesNo
2G BandsGSM 850 900 1800 1900MHzGSM 850, 900, 1800, 1900 MHz
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B38/B40/B41/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE categoryn/a24
5G SupportYesYes

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 13 5G
77.1 dB
Samsung Galaxy S21
87 dB

Other

Class Mid-range Flagship
Announced September, 2023 yr January, 2021 yr
Release Date January, 2024 yr February, 2021 yr
Launch Price ($) 229 800
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S21 the clear winner in this comparison.

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